Finding the Third Proportional to 64,698.75 and 86,948.44

Step by Step Solution

1. Step 1: Write the proportion equation
   64,698.75 : 86,948.44 = 86,948.44 : x
2. Step 2: Convert to fraction form
   64,698.75/86,948.44 = 86,948.44/x
3. Step 3: Cross multiply
   64,698.75x = 86,948.44 × 86,948.44
4. Step 4: Simplify right side
   64,698.75x = 7,560,030,783.69
5. Step 5: Solve for x
   x = 7,560,030,783.69/64,698.75
6. Step 6: Final answer
   x = 116,849.72